package com.abcdefg.webpagechatprojectbymyself.mapper;

import com.abcdefg.webpagechatprojectbymyself.model.User;
import org.apache.ibatis.annotations.Mapper;

@Mapper
public interface UserMapper {
    //注册
    Integer insertUser(User user);
    //登录
    User selectUserByUsername(String username);
}
